Home / 383,619.14-529,445.73-220,339.94

Finding the Fourth Proportional to 383,619.14, 529,445.73 and 220,339.94

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Solution

The fourth proportional to 383,619.14, 529,445.73 and 220,339.94 is: 304,098.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,619.14 : 529,445.73 = 220,339.94 : x
  2. Step 2: Convert to fraction form
    383,619.14/529,445.73 = 220,339.94/x
  3. Step 3: Cross multiply
    383,619.14x = 529,445.73 × 220,339.94
  4. Step 4: Simplify right side
    383,619.14x = 116,658,040,381.46
  5. Step 5: Solve for x
    x = 116,658,040,381.46/383,619.14
  6. Step 6: Final answer
    x = 304,098.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.